Madison heights, Michigan--The Industry Division of Sika Corp. is raising prices to adjust to the "continued escalating costs of a number of raw materials required to produce the company's products." The company said selling prices for some of the division's products will be boosted by 5 to 10 percent, blaming the increases on higher raw material pricesSika's Industry Division makes polyurethane adhesives and sealants, hot melt adhesives, epoxies, acrylics, silicones and butyl sealants. The company serves the automotive and glass encapsulation markets."